The document summarizes several theories of leadership: - Trait theories identified 7 traits of successful leaders like drive and integrity. Behavioral theories identified 3 styles - autocratic, democratic, and laissez-faire. Ohio State and University of Michigan studies identified consideration and initiating structure and employee/production orientations. - Transactional leaders guide followers with social exchanges and rewards. Transformational leaders stimulate followers and address their needs. Charismatic leaders have vision, articulate it clearly, take risks, and act unusually to achieve the vision. Visionary leaders create realistic visions that improve the present.